Food additive · Processing aid

Glycerol ester of rosin (ester gum)

E-number
E445

A stabilizer that keeps citrus oils suspended in drinks.

  • Food additive
  • Emulsifier
  • Ultra-processing marker
  • Expert review pending

Concern level

Low concern Level 1 of 4 How concern levels work

A minor or very limited concern, such as being an ultra-processing marker only. The concern level sets how many points glycerol ester of rosin (ester gum) costs on a product’s receipt.

What the evidence says

  • Marker of ultra-processingInfo

    An additive class typical of ultra-processed foods (NOVA group 4). [1]

Evidence tiers say how sure the evidence is, separately from how much it matters. About evidence tiers.

Popular products that list glycerol ester of rosin (ester gum)

155 of the 17,000 most-scanned products in the US with a GoodSwap page list glycerol ester of rosin (ester gum). The 12 most scanned:

Diets and allergens

Vegan
Yes
Vegetarian
Yes
Gluten-free
Yes

For the ingredient in general. Always check the package: a product’s own labels win.

Names GoodSwap recognizes on labels (9)
  • e445
  • ester gum
  • glyceryl abietate
  • glycerol ester of rosin
  • glycerol ester of wood rosin
  • glycerol esters of wood rosins
  • glycerol ester of rosin ester gum
  • emulsifier glycerol esters of wood rosins
  • stabiliser glycerol esters of wood rosins

Sources

  1. Ultra-processed foods: what they are and how to identify them

    Public Health Nutrition · April 2019 · Peer-reviewed

    doi.org